This is a A-NAA55250B Elbow, Manifold PN: NAA55250BMain Description As Following : A-NAA55250B Elbow, Manifold P.N: NAA55250B Used w/ NAA5230E muffler.Dim A (1): 2 Bolt HoleDim B (2): 1 5/8" O.D. Outlet Crossed From: FO48 STANLEY MUFFLER , NAA55250BWG , , SW01349 , , 101518 , , 1117-2459 , Found in Section & Models : Engine Parts > Exhaust Pipes, Ford / New Holland TRACTOR: NAA (W/ 134 & 172 CUBIC INCH GAS ENGINE), Ford / New Holland TRACTOR: 2000 (W/ 134 & 172 CUBIC INCH GAS ENGINE), Ford / New Holland TRACTOR: 2031 (W/ 4 CYL, 1/60-12/62), Ford / New Holland TRACTOR: 2111 (W/ 4 CYL, 1/63-12/64), Ford / New Holland TRACTOR: 2120 (W/ 4 CYL, 1/63-12/64), Ford / New Holland TRACTOR: 2130 (W/ 4 CYL, 1/63-12/64), Ford / New Holland TRACTOR: 2131 (W/ 4 CYL, 1/63-12/64), Ford / New Holland TRACTOR: 4000 (W/ 4 CYL, 1/62-12/64), Ford / New Holland TRACTOR: 4031 (W/ 4 CYL, 1/60-12/62), Ford / New Holland TRACTOR: 4040 (W/ 4 CYL, 1/61-12/62), Ford / New Holland TRACTOR: 4110TR (W/ 4 CYL, 1/63-12/64), Ford / New Holland TRACTOR: 4120 (W/ 4 CYL, 1/63-12/64), Ford / New Holland TRACTOR: 4121 (W/ 4 CYL, 1/63-12/64), Ford / New Holland TRACTOR: 4130 (W/ 4 CYL, 3/63-12/64), Ford / New Holland TRACTOR: 4131 (W/ 4 CYL, 1/63-12/64), Ford / New Holland TRACTOR: 501 (W/ 4 CYL, 1/57-12/62), Ford / New Holland TRACTOR: 541 (W/ 4 CYL, 1/59-12/64), Ford / New Holland TRACTOR: 600 (W/ 4 CYL, 1/57-12/57), Ford / New Holland TRACTOR: 600 SERIES (W/ 134 & 172 CUBIC INCH GAS ENGINE), Ford / New Holland TRACTOR: 601 (W/ 4 CYL, 1/57-12/62) Associated Items : A-NAA55232A Also A-FO-O-NAA, A-FO-P-ACCESS, A-FO-P-SHERPS, A-FO-P-1400SHER, A-FO-S-NAA, A-FO-S-SHER-TRAN, A-SMFO19, A-DA-P-ALDR, A-FO-O-2-5000, A-FO-O-2000, A-FO-O-24000IND, A-FO-O-24000RC, A-FO-P-ACCESS, A-FO-P-SHERF9BH, A-FO-P-234000, A-FO-P-4CYLALL, A-FO-S-DATA, A-FO-S-ENG158, A-FO-S-SELECTO, A-FO-S-2000 And : Dim A (1): 2 Bolt Hole Dim B (2): 1 5/8" O.D. Outlet